Refactored docker logic

roles/docker-wordpress/templates/Dockerfile.j2

@@ -0,0 +1,15 @@
+FROM wordpress:{{applications[application_id].version}}
+
+# Install msmtp and update system
+RUN apt-get update && \
+    apt-get install -y msmtp msmtp-mta && \
+    rm -rf /var/lib/apt/lists/*
+
+# Install WP CLI
+RUN curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar && \
+    chmod +x wp-cli.phar && \
+    mv wp-cli.phar /usr/local/bin/wp
+
+# Copy msmtp configuration and PHP upload settings
+COPY config/msmtprc.conf /etc/msmtprc
+COPY upload.ini $PHP_INI_DIR/conf.d/